lldown 157 Debt Level: GSEs’ Expansion Into ‘Non-Conventional’ Mortgage Lending Business Has Proved to Be Costly So Far Fannie Mae Credit Losses by Type of Mortgage Product, 1008 — 2Q10 CO ee = Other Non-Conventional Non- $6,000 -_- SSubprime Conventional , BAItA Mortgages = = Interest Only 30% of Fannie = Conventional